Model comparison

GPT-4.1 Nano vs GPT-5.6 Terra

Compare GPT-4.1 Nano (OpenAI) and GPT-5.6 Terra (OpenAI) by price, context, capabilities, and latency.

Which should you pick?

Price: GPT-4.1 Nano is cheaper ($0.1 / 1M tokens input / $0.4 / 1M tokens output) vs GPT-5.6 Terra ($2 / 1M tokens input / $12 / 1M tokens output).

Side by side

GPT-4.1 Nano vs GPT-5.6 Terra — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

Model	Provider	Input	Output	Context	Capabilities	Best for	Latency	Status	Source
GPT-4.1 Nanoopenai/gpt-4.1-nano	OpenAI	$0.1 / 1M tokens	$0.4 / 1M tokens	1M	StreamingTool callingJSON modeVision	image understanding, multimodal chat	844-2401ms	Catalog	Platform curated
GPT-5.6 Terraopenai/gpt-5.6-terra	OpenAI	Starting at $2 / 1M tokens	$12 / 1M tokens	1M	StreamingTool callingJSON modeVision	image understanding, multimodal chat	1534-2908ms	Catalog	Platform curated

FAQ

GPT-4.1 Nano vs GPT-5.6 Terra FAQ

Is GPT-4.1 Nano or GPT-5.6 Terra cheaper?

GPT-4.1 Nano is cheaper ($0.1 / 1M tokens input / $0.4 / 1M tokens output) vs GPT-5.6 Terra ($2 / 1M tokens input / $12 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, GPT-4.1 Nano or GPT-5.6 Terra?

Both offer the same context window: 1M tokens.

GPT-4.1 Nano vs GPT-5.6 Terra for Vision: which should I pick?

Both target Vision. Pick GPT-4.1 Nano to optimize cost, or GPT-4.1 Nano for the longer context window. Test both on real prompts before committing production traffic.

GPT-4.1 Nano details GPT-5.6 Terra details Pricing calculator OpenAI-compatible quickstart